#631B95#631B95

#631B95 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.184 H 306.2°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#631B95
RGB	rgb(99, 27, 149)
HSL	hsl(275, 69%, 35%)
HSV	hsv(275, 82%, 58%)
CMYK	cmyk(33.6%, 81.9%, 0%, 41.6%)
CIE-LAB	lab(28.40, 52.01, -52.03)
CIE-LCH	lch(28.40, 73.57, 314.99°)
OKLab	oklab(40.65% 0.1085 -0.1482)
OKLCH	oklch(40.65% 0.184 306.2)
XYZ	xyz(10.9611, 5.6065, 28.9327)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B95 #4D951B

analogous

#261B95 #631B95 #951B8A

triadic

#631B95 #95631B #1B9563

tetradic

#631B95 #95261B #4D951B #1B8A95

square

#631B95 #95261B #4D951B #1B8A95

split-complementary

#631B95 #8A951B #1B9526

monochromatic

#1E082D #411261 #631B95 #8524C9 #A24CDF

Accessibility & contrast

On white

9.90

#631B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#631B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B95

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B95	#FFFFFF	#000000	##FFFFFF
##631B95	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004198

Deuteranopia (green-blind)

#004393

Tritanopia (blue-blind)

#5A3C59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631b95;
/* rgb */ color: rgb(99, 27, 149);
/* oklch */ color: oklch(40.6% 0.184 306.2);

Tailwind

colors: {
  custom: {
    50: '#9561b5',
    500: '#631b95',
    950: '#000000',
  },
}

SCSS

$custom: #631b95;
$custom-light: #9561b5;
$custom-dark: #000000;

JSON

{
  "hex": "#631b95",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 275.41,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40648,
    "c": 0.18366,
    "h": 306.2
  },
  "luminance": 0.05606
}

Semantic roles & 50–950 ramp

primary

#631B95

secondary

#7BC14B

accent

#EC3C84

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631B95

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →